A hedgehog pushes a rock of 19 kg up a ramp which is tilted
A hedgehog pushes a rock of 1.9 kg up a ramp, which is tilted at 19.5 degrees to horizontal, at a constant speed of 0.25 m/s for 1.5 minutes, using a force of 7.12N. How much work is done by friction?
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when laser light of wavelength 6328nm passes through a diffraction grating the first bright spots occur at - 178
a 135 kg raccoon falls out of a tree and hits the ground with a kinetic energy of 12370 j what was the raccoons
you push a box up a ramp inclined at 262o using a force of 2300n for a distance of 109 m how much work do you do in the
if e degree cell-051v for the reaction below at 25 degree c what is the value of the equilibrium constant at this
a hedgehog pushes a rock of 19 kg up a ramp which is tilted at 195 degrees to horizontal at a constant speed of 025 ms
the kinetic energy of a 50 kg bowling ball just before it hits the ground is 4550 j if the ball was originally thrown
a car moving at 200 ms decelerates at 700 ms2 how far will it travel before stoppingat the same deceleration rate if
a 250-ml sample of potassium chloride solution was found to have a mass of 25115 g when the solution was heated to
a pair of slits separated by 13 mm are illuminated with monochromatic light of wavelength 573 nm the light falls on a
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